Valve springs with larger diameters require retainers to handle the higher pressures developed by the springs. COMP Cams® steel retainers are the perfect solution. This 7° steel retainer for GM Gen III applications with #26915 or #26918 Beehive™ Valve Springs is precision machined from 4140 chromemoly steel and finished in black oxide. This precision retainer is specifically designed for positive location when combined with COMP Cams® high-quality valve springs.